For a buyer matching an existing Sub-Zero kitchen on a smaller budget, with a floor drain, while stock lasts. The DEU1550I makes more ice and works outdoors.
Sub-Zero $3,710The Sub-Zero UC-15I is the better undercounter ice maker overall, rated 3.1 to 2.9. The Sub-Zero UC-15I leads on warranty, value and storage. The Perlick HP15CI Clear Ice wins on drain. The Sub-Zero UC-15I costs $1,800 less ($3,710 vs $5,510).
For an outdoor kitchen or bar without a floor drain that wants clear ice and a finished stainless door out of the box.
Town Appliance $5,510Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Sub-Zero UC-15I for warranty (2 years on the unit, 5 years on the sealed system vs 2 years on the unit), value ($74.20 per lb a day ($3,710, 50 lb a day) vs $108.04 per lb a day ($5,510, 51 lb a day)) and storage (25 lb of storage vs 22 lb of storage).
- Choose the Perlick HP15CI Clear Ice for drain (drain pump included vs gravity drain only, needs a floor drain).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 15 in wide undercounter ice maker; a clear win is highlighted. How we rank explains each one.
| Factor weight | Sub-Zero UC-15I | Perlick HP15CI Clear Ice |
|---|---|---|
| Overall rating | 3.1/5 | 2.9/5 |
| Value 30% | 26 $74.20 per lb a day ($3,710, 50 lb a day) | 9 $108.04 per lb a day ($5,510, 51 lb a day) |
| Output 15% | 45 50 lb of ice a day | 47 51 lb of ice a day |
| Energy use 10% | 50 energy use not published (neutral score used) | 50 energy use not published (neutral score used) |
| Storage 10% | 75 25 lb of storage | 60 22 lb of storage |
| Warranty 25% | 58 2 years on the unit, 5 years on the sealed system | 33 2 years on the unit |
| Drain 10% | 30 gravity drain only, needs a floor drain | 100 drain pump included |
Specifications
| Sub-Zero UC-15I | Perlick HP15CI Clear Ice | |
|---|---|---|
| Ice | ||
| Ice type | - | Clear |
| Ice a day | 50 lb | 51 lb |
| Bin storage | 25 lb | 22 lb |
| Install | ||
| Width | 14.8 in | 14.9 in |
| Height | 33.6 in | 33.5 in |
| Depth | 23 in | 22.6 in |
| Drain | Gravity only | Pump included |
| Outdoor rated | - | Yes |
| Panel ready | Yes | No |
| Warranty | ||
| Unit warranty | 2 years | 2 years |
| Sealed system warranty | 5 years | - |
